Which component does Cisco ASDM require on the host Cisco ASA 5500 Series or Cisco PIX security appl

Which component does Cisco ASDM require on the host Cisco ASA 5500 Series or Cisco PIX
security appliance?

A.
a DES or 3DES license

B.
a NAT policy server

C.
a SQL database

D.
a Kerberos key

E.
a digital certificate